package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlQuestionStates entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlQuestionStates
 * @author MyEclipse Persistence Tools
 */

public class MdlQuestionStatesDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlQuestionStatesDAO.class);
	// property constants
	public static final String ATTEMPT = "attempt";
	public static final String QUESTION = "question";
	public static final String SEQ_NUMBER = "seqNumber";
	public static final String ANSWER = "answer";
	public static final String TIMESTAMP = "timestamp";
	public static final String EVENT = "event";
	public static final String GRADE = "grade";
	public static final String RAW_GRADE = "rawGrade";
	public static final String PENALTY = "penalty";

	public void save(MdlQuestionStates transientInstance) {
		log.debug("saving MdlQuestionStates instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlQuestionStates persistentInstance) {
		log.debug("deleting MdlQuestionStates instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlQuestionStates findById(java.lang.Long id) {
		log.debug("getting MdlQuestionStates instance with id: " + id);
		try {
			MdlQuestionStates instance = (MdlQuestionStates) getSession().get(
					"idv.loveloser.dao.MdlQuestionStates", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlQuestionStates instance) {
		log.debug("finding MdlQuestionStates instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlQuestionStates")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlQuestionStates instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlQuestionStates as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByAttempt(Object attempt) {
		return findByProperty(ATTEMPT, attempt);
	}

	public List findByQuestion(Object question) {
		return findByProperty(QUESTION, question);
	}

	public List findBySeqNumber(Object seqNumber) {
		return findByProperty(SEQ_NUMBER, seqNumber);
	}

	public List findByAnswer(Object answer) {
		return findByProperty(ANSWER, answer);
	}

	public List findByTimestamp(Object timestamp) {
		return findByProperty(TIMESTAMP, timestamp);
	}

	public List findByEvent(Object event) {
		return findByProperty(EVENT, event);
	}

	public List findByGrade(Object grade) {
		return findByProperty(GRADE, grade);
	}

	public List findByRawGrade(Object rawGrade) {
		return findByProperty(RAW_GRADE, rawGrade);
	}

	public List findByPenalty(Object penalty) {
		return findByProperty(PENALTY, penalty);
	}

	public List findAll() {
		log.debug("finding all MdlQuestionStates instances");
		try {
			String queryString = "from MdlQuestionStates";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlQuestionStates merge(MdlQuestionStates detachedInstance) {
		log.debug("merging MdlQuestionStates instance");
		try {
			MdlQuestionStates result = (MdlQuestionStates) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlQuestionStates instance) {
		log.debug("attaching dirty MdlQuestionStates instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlQuestionStates instance) {
		log.debug("attaching clean MdlQuestionStates instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}